qss = '''
QListWidget#listWidget, QListWidget#DiseasedArea{
    border: none;
    background-color: transparent;
}

QListWidget#listWidget::item,QListWidget#DiseasedArea::item  {
        background-color: #bfbfbf; /* 深灰色背景 */
        border: 0px solid #444; /* 边框颜色 */
        border-radius: 5px; /* 圆角半径 */
        margin: 4px; /* 项目之间的间隔 */
    }

QListWidget#DiseasedArea::item:selected {
        background-color: #758694; /* 选中时的背景色 */
        color: white; /* 选中时的文字颜色 */
    }

QListWidget#listWidget::item:hover {
        background-color: #2C3E50; /* 选中时的背景色 */
        color: white; /* 选中时的文字颜色 */
    }


QPushButton#pushButton, QPushButton#pushButton_2, QPushButton#delete_button {
    border: 0px solid #34495E; /* 边框颜色 */
    border-radius: 3px; /* 圆角半径 */
    background-color: transparent; /* 深灰色背景 */
    margin: 5px; /* 项目之间的间隔 */
}

QPushButton#home {
    border-radius: 3px; /* 圆角半径 */
    background-color: #cccbc8; /* 深灰色背景 */
}

QPushButton#pushButton:hover, QPushButton#pushButton_2:hover, QPushButton#delete_button:hover {
    background-color: #34495E; /* 鼠标悬停时的背景色 */
    color: white; /* 鼠标悬停时的文字颜色 */
}

QPushButton#toolButton, QPushButton#toolButton_2, QPushButton#toolButton_3, QPushButton#toolButton_4, QPushButton#toolButton_5, QPushButton#toolButton_6, QPushButton#toolButton_7, QPushButton#toolButton_8, QPushButton#toolButton_9, QPushButton#undo, QPushButton#redo{
    border: 0px solid #34495E; /* 边框颜色 */
    background-color: transparent; /* 深灰色背景 */
}

QPushButton#upward, QPushButton#downward, QPushButton#leftward, QPushButton#rightward{
    border: 0px solid #34495E; /* 边框颜色 */
    background-color: #cccbc8; /* 深灰色背景 */
    border-radius: 3px;
}


QGraphicsView{
    border: 0px solid #34495E; /* 边框颜色 */
    border-radius: 5px; /* 圆角半径 */
}

#toolBox, #historyBox {
    /* 设置背景颜色 */
    background-color: #cccbc8;
    /* 设置边框样式 */
    border: 0px solid #ccc;
    border-radius: 5px;
}


'''